Description
The INON UCL-G55 SD Underwater Close-Up Lens is a premium macro conversion lens designed for action cameras and compact underwater camera systems. Featuring INON's Super Definition (SD) optical design, it provides higher magnification than the UCL-G100 SD, allowing photographers and videographers to capture extraordinary detail in the smallest underwater subjects while maintaining exceptional image quality.
Ideal for photographing nudibranchs, pygmy seahorses, tiny shrimp, coral polyps, and other miniature marine life, the UCL-G55 SD delivers outstanding sharpness, contrast, and color accuracy. Its wet-mount design allows the lens to be attached or removed underwater, providing maximum flexibility throughout your dive. This package also includes the Focus Stick II, helping photographers maintain the ideal focusing distance while protecting delicate marine environments.
Key Benefits
-
High-Power Macro Magnification
Capture extremely small underwater subjects with exceptional detail and clarity. -
Super Definition (SD) Optics
Advanced optical design delivers outstanding sharpness, contrast, and true-to-life color reproduction. -
Includes Focus Stick II
Helps maintain the optimal working distance for precise focusing while minimizing disturbance to marine life. -
Wet-Mount Convenience
Quickly attach or remove the lens underwater to adapt to changing photographic opportunities. -
Excellent for Underwater Photography & Video
Produces stunning macro images and highly detailed close-up video footage. -
Lightweight & Durable Construction
Built from corrosion-resistant materials for dependable use in both saltwater and freshwater.
Who It's For
- GoPro and action camera users
- Compact underwater camera users
- Experienced underwater macro photographers
- Underwater videographers
- Divers photographing pygmy seahorses, nudibranchs, shrimp, coral polyps, and other tiny marine life
- Anyone seeking maximum close-up magnification for underwater imaging
What’s Included
- INON UCL-G55 SD Underwater Close-Up Lens
- Focus Stick II
- Front lens cap
- Rear lens cap
- Protective lens pouch
- User documentation
Key Specifications
- Lens Type: Underwater Close-Up Conversion Lens
- Optical Design: Super Definition (SD) optics
- Installation: Wet-mount (attachable/removable underwater)
- Compatible Systems: Compatible action cameras and compact underwater camera systems
- Lens Material: Multi-coated optical glass
- Construction: Corrosion-resistant aluminum alloy
- Included Accessory: Focus Stick II
- Use Case: High-magnification underwater macro photography and videography
- Environment: Saltwater and freshwater compatible
FAQ
What is the UCL-G55 SD designed for?
It provides high-magnification macro capability for compatible underwater camera systems, allowing photographers to capture exceptional detail in the smallest marine subjects.
How does it compare to the UCL-G100 SD?
The UCL-G55 SD offers greater magnification, making it ideal for photographing extremely small marine life while maintaining excellent optical performance.
What is the purpose of the included Focus Stick II?
The Focus Stick II helps maintain the ideal focusing distance from your subject while reducing the risk of contacting sensitive marine life or reefs.
Can I install or remove the lens during a dive?
Yes. The wet-mount design allows the lens to be attached or removed underwater as conditions change.
Is this lens suitable for underwater video?
Absolutely. Its premium SD optics and high magnification make it an excellent choice for capturing detailed underwater macro video as well as still photography.

